391
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 422 posts.
392
Permeable materials in homes act as sponges for harmful chemicals: study
Permeable materials in homes can retain volatile organic compounds for up to a year
393
394
Closing the “green gap”: energy savings from the math of the landscape function
I recently returned from the 2025 Annual Meeting of the “Localization of Waves” collaboration (supported by the Simons Foundation, with additional related support from the NSF), where I…
395
Learning about Innovation from Half a Century of Conway's Game of Life
Stephen Wolfram investigates the discovery of structures since the Game of Life was invented--searching possibilities versus invention by explicit effort. A thorough look at oscillators, modularity, glider guns.
396
More women than expected are genetically men (2016)
AF MORTEN BUSCH Kønskromosomerne giver normalt svaret på om du er kvinde eller mand. Kvinder har XX. Mænd XY. En lille gruppe af kvinder er dog rent genetisk mænd. De vokser op som kvinder med en kvindes krop, og de fleste opdager først langt inde i puberteten, at de er anderledes. Nu har danske forskere […]
397
398
The new Gödel Prize winner tastes great and is less filling
David Zuckerman The 2025 Gödel Prize has been awarded to Eshan Chattopadhyay and David Zuckerman for their paper Explicit two-source extrac...
399
400
Did UCLA Just Cure Baldness?
How Bruin genetic scientists are reawakening hibernating follicles.
401
All-natural geoengineering with Frank Herbert's Dune
Can We Terraform the Earth Using Life Itself?
402
How to Recognize Woodpeckers by Their Drumming Sounds
Woodpecker drumming may not be as immediately distinctive as birdsong—but by carefully listening to speed, duration, and rhythm you can still tell many species apart. Here are some tips.
403
Introduction to Digital Filters (2024)
INTRODUCTION TO DIGITAL FILTERS WITH AUDIO APPLICATIONS
404
Euclid opens data treasure trove, offers glimpse of deep fields
On 19 March 2025, the European Space Agency’s Euclid mission released its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different shapes and sizes take centre stage and show a glimpse of their large-scale organisation in the cosmic web.
405
Cancer survival rates are misleading
UPDATE: I submitted a more formal version of this article to the UMAP Journal (Undergraduate Mathematics and Its Applications), which publishes articles that use mathematical modeling for real-world problems, often with a pedagogical or expository angle. A preprint is available on arXiv at…
406
Why does Swiss cheese have holes?
Swiss cheese gets holes from carbon dioxide bubbles during the cheese-making process. Learn more about what causes the holes in Swiss cheese at U.S. Dairy.
407
Analytic Combinatorics – A Worked Example
Chris Grossack's math blog and professional website.
408
$5 whale listening hydrophone making workshop
Whale songs were first noticed by accident, when analysts tracking Russian submarines at the height of the cold war heard cetacean interference instead. An engineer sent some recordings to Roger Payne, a biologist friend of his, who did something that proved pivotal: he played the hours-long recordings on his hi-fi at…
409
2024 sea level 'report cards' map futures of U.S. coastal communities
Featuring four new localities, the updated report cards show past and projected rates of sea level rise and acceleration for 36 U.S. coastal communities in a new, interactive dashboard.
410
411
Two Birds with One Tone: I/Q Signals and Fourier Transform
An intuitive and ground-up introduction to I/Q signals. Learn the foundational concepts through clear geometric analogy perfect for beginners
412
413
Just how bad are we at treating age-related diseases?
Whether you believe in preventing damage (the core aim of the aging field, though that's not the focus of this post) or treating damage as it arises, our current best efforts in both treatment and mechanism selection haven't yielded promising results. None of the approved drugs for age-related diseases reverse any…
414
July 5, 1687: When Newton explained why you don't float away
On this day in 1687, Isaac Newton published the Principia—a book that explained why apples fall, why planets don’t wander off, and why NASA is still lighting enormous tubes on fire to fling humans into orbit 337 years later.
415
Designing a low-cost high-performance 10 MHz – 15 GHz vector network analyzer
Designing a cheap two-port vector network analyzer with good measurement accuracy.
416
Interstellar Flight: Perspectives and Patience
Transit time of 6,600 years; that long ago, around 4,600 BCE, the state of human civilization was devoid of technology. Hard to imagine what would happen back home on Earth during a journey of that length.
417
High Altitude Living – 8,000 ft and above (2021)
Living at high altitude reduces risk of dying from heart disease: Low oxygen may spur genes to create blood vessels. Summary: Researchers have found that people living at higher altitudes have a lower chance of dying from heart disease and live longer. Jeanne and I live at 8,400 feet (2.560 meters)
418
Knowledge and memory
The what is connected to the when.
419
Philips announces digital pathology scanner with native DICOM JPEG XL output
Philips announces digital pathology scanner with native, configurable DICOM JPEG and JPEG XL output in world first
420
Satellites Spotting Depth
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...